Certainly the moment above must be on the list. In the classic "Say Yes" moment, one customer sends Randy into a panic when she makes it clear she's only interested in one particular Pnina Tornai dress. Naturally, there isn't one to be found in the store.

Check out the clip above and be sure to find out if it makes Randy's list when "Say Yes to the Dress: Randy Knows Best" Season 3 premieres on Friday, March 21 at 9:30 p.m. ET/PT on TLC.